Miracle-Gro 100885 Shake 'n Feed Continuous Release Bloom Booster Plant Food, 4.5-Pound (Slow Release Plant Fertilizer) Miracle-Gro shake'n feed bloom booster plant food Takes the guesswork out of feeding. Shakes on in minutes and feeds continuously for up to 3 months Promotes spectacular blooms, more color and strong root development for all your flowering annuals, perennials, trees and shrubs Prevents overfeeding and burning when used as directed Analysis: 10-16-10